Finding the Fourth Proportional to 201,292.26, 277,845.21 and 129,672.06
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Solution
The fourth proportional to 201,292.26, 277,845.21 and 129,672.06 is: 178,987.31
Step by Step Solution
- Step 1: Write the proportion equation
201,292.26 : 277,845.21 = 129,672.06 : x - Step 2: Convert to fraction form
201,292.26/277,845.21 = 129,672.06/x - Step 3: Cross multiply
201,292.26x = 277,845.21 × 129,672.06 - Step 4: Simplify right side
201,292.26x = 36,028,760,741.83 - Step 5: Solve for x
x = 36,028,760,741.83/201,292.26 - Step 6: Final answer
x = 178,987.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.